https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97540
--- Comment #7 from Hongtao.liu <crazylht at gmail dot com> --- (In reply to Hongtao.liu from comment #5) > The patch is posted at > https://gcc.gnu.org/pipermail/gcc-patches/2020-October/557143.html With upper patch and https://gcc.gnu.org/pipermail/gcc-patches/2020-October/557142.html in pr97532, successfully build and boot linux-kernel 5.9.2.